Polarity of Molecules
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•
Chemistry
•
10th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is polarity in molecules?
Back
Polarity refers to the distribution of electrical charge over the atoms joined by the bond. A polar molecule has a net dipole moment due to the presence of polar bonds that do not cancel out.
2.
FLASHCARD QUESTION
Front
What is a polar molecule?
Back
A polar molecule is one that has a partial positive charge on one end and a partial negative charge on the other end, resulting from an unequal sharing of electrons.
3.
FLASHCARD QUESTION
Front
What is a non-polar molecule?
Back
A non-polar molecule is one that has an even distribution of electrical charge, meaning there are no distinct positive or negative poles.
4.
FLASHCARD QUESTION
Front
What determines if a molecule is polar or non-polar?
Back
The polarity of a molecule is determined by its shape and the difference in electronegativity between the atoms involved in the bonds.
5.
FLASHCARD QUESTION
Front
What is electronegativity?
Back
Electronegativity is a measure of an atom's ability to attract and hold onto electrons. The greater the difference in electronegativity between two bonded atoms, the more polar the bond.
6.
FLASHCARD QUESTION
Front
What is a dipole moment?
Back
A dipole moment is a measure of the separation of positive and negative charges in a molecule. It indicates the polarity of the molecule.
7.
FLASHCARD QUESTION
Front
How does molecular geometry affect polarity?
Back
Molecular geometry affects polarity by determining how the bond dipoles add up. If the shape is symmetrical, the dipoles may cancel out, resulting in a non-polar molecule.
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